THE EVOLUTION OF COPULATION IN WATER MITES: A COMPARATIVE TEST FOR NONREVERSING CHARACTERS.

@article{Proctor1991THEEO,
  title={THE EVOLUTION OF COPULATION IN WATER MITES: A COMPARATIVE TEST FOR NONREVERSING CHARACTERS.},
  author={Heather Proctor},
  journal={Evolution; international journal of organic evolution},
  year={1991},
  volume={45 3},
  pages={
          558-567
        }
}
Although copulation is a widespread behavior with multiple origins, hypotheses about selective forces behind its evolution have not been tested by the comparative method. Because copulation has arisen many times in the water mites (Acari: Parasitengona), they are good subjects for a comparative study of copulation. I determined that copulation evolved 91 times in the 343 extant genera. There was no evidence of reversals to noncopulation; therefore, Ridley's (1983) contingency-table comparative… CONTINUE READING
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